GD154/21 ZHAN JIANG PORT DREDGING OPERATION CARRY OUT BY M/V “CHANG JING 2”“CHANG JING 12”“HE HAI ZHUA 29”“HE HAI ZHUA 32”“HE HAI 368”“HE HAI 668”“HE HAI 679” IN AREA BETWEEN LIGHTED BUOY 34 TO LIGHTED BUOY 46 FROM 21 JUL. TO 20 OCT. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED ADVISED TO AVOID GUANGDONG MSA CHINA